CN114887959A - Hydraulic clearing device for polysilicon boundary skin and head and tail return materials - Google Patents

Hydraulic clearing device for polysilicon boundary skin and head and tail return materials Download PDF

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Publication number
CN114887959A
CN114887959A CN202210371274.6A CN202210371274A CN114887959A CN 114887959 A CN114887959 A CN 114887959A CN 202210371274 A CN202210371274 A CN 202210371274A CN 114887959 A CN114887959 A CN 114887959A
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China
Prior art keywords
water
head
tail
drum screen
collecting tank
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Granted
Application number
CN202210371274.6A
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Chinese (zh)
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CN114887959B (en
Inventor
张殿喜
杨秀凡
郭本华
窦忠宇
闫万珺
陈召松
覃信茂
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Anshun University
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Anshun University
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Publication of CN114887959A publication Critical patent/CN114887959A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/044—Cleaning involving contact with liquid using agitated containers in which the liquid and articles or material are placed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/06—Cleaning involving contact with liquid using perforated drums in which the article or material is placed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a hydraulic clearing device for polysilicon boundary skin and head and tail return materials, which relates to the field of polysilicon boundary skin and head and tail return material processing devices and structurally comprises: a frame; screening by a drum screen; a swing drive device; a rotation driving device; a water spraying device; a guide groove; the utility model discloses a polycrystalline silicon edge skin, including drum sieve, end and tail return charge, drum sieve front and rear end is not sealed, the sieve mesh has been arranged all over the body, the inside wall has arranged a plurality of length direction and the unanimous baffle of drum sieve length direction around, put into the polycrystalline silicon edge skin, end and tail return charge in the drum sieve, through the swing drive arrangement control mounting bracket swing so that the drum sieve is horizontal, high pressure nozzle inserts high-pressure water source in order to wash the polycrystalline silicon edge skin, end and tail return charge, the in-process is rotated in order to overturn polycrystalline silicon edge skin, end and tail return charge through rotation drive arrangement control drum sieve, the process is collecting the rivers that drip naturally in the drum sieve through the catch basin, after the washing through the front end upper table of swing drive arrangement control mounting bracket so that polycrystalline silicon edge skin, end and tail return charge leading-in guide slot and derive outside the frame through the guide slot.

Description

Hydraulic clearing device for polysilicon boundary skin and head and tail return materials
Technical Field
The invention relates to a polysilicon flaw-piece and head-tail return material treatment device, in particular to a polysilicon flaw-piece and head-tail return material hydraulic clearing device.
Background
With the increasing exhaustion of non-renewable resources such as petroleum and coal, people are urgently required to develop new energy sources to meet the demand for energy sources. Among numerous new energy sources, photovoltaic solar energy is increasingly valued and developed and utilized by people. The cast ingot polycrystalline silicon solar cell occupies a large proportion in the photovoltaic solar cell due to the factors of high yield, low production cost, high product quality and the like.
The high-efficiency polycrystalline silicon ingot casting is an effective means for utilizing photovoltaic solar energy, the service life of crystal minority carriers is prolonged, crystal crystallography dislocation and defects are reduced, crystal impurities are reduced, and the conversion efficiency of the ingot casting polycrystalline silicon battery is improved, so that the development of the photovoltaic solar energy industry is facilitated. After the polysilicon is cast, the flaw-piece and the head and the tail of the square silicon ingot need to be removed, the part of silicon material occupies a small part of the whole silicon ingot, and whether the flaw-piece and the head and the tail of the part of silicon material can be recycled or not is directly determined, so that the reduction of the production cost of an enterprise and the utilization rate of raw and auxiliary materials are directly determined, and the method has important significance for improving the production competitiveness of the enterprise and the protection of the environment.
In order to utilize the flaw-piece and head and tail materials of the ingot polycrystalline silicon, the method generally adopted is to perform sand blasting on the flaw-piece and head and tail materials, remove impurities and contaminants on the surfaces of the flaw-piece head and tail materials, and realize recycling. In the sand blasting process, dust is the most difficult problem to solve, and can cause poor working environment conditions and harm to the health of operators.
The prior art does not have a special cleaning device for the boundary skin and the head and tail materials, and the main processing method for the boundary skin and the head and tail materials comprises the following steps:
1. putting the flaw-piece and the head and tail materials into a closed sand blasting cavity;
2. the handle extends into the inner glove of the cavity, and the spray gun is held tightly to aim at the flaw-piece and the head and tail materials for sand blasting;
3. and taking out the flaw-piece and the head and tail materials after the sand blasting is finished.
In the prior art, a pedal plate is generally adopted to be connected with a spray gun to control the sand blasting flow, a plastic material observation window is reserved on a sand blasting cavity, the caliber is small, and observation is inconvenient. In the prior art, effective protection measures are not taken for dust in the sand blasting process, harm is brought to the human health of sand blasting people, and environmental pollution is great.
Disclosure of Invention
The invention aims to: the hydraulic clearing device for the polysilicon flaw-piece and head and tail scrap returns is provided for hydraulically clearing the surfaces of the flaw-piece and head and tail scraps of the polysilicon of the ingot casting to remove surface impurities and sticky dirt.
In order to achieve the purpose, the invention adopts the following technical scheme:
polycrystalline silicon flaw-piece, head and tail return charge water conservancy clearing device includes:
the rack is used for mounting and supporting, and the bottom of the rack is provided with a water collecting tank;
the cylindrical screen is positioned right above the water collecting tank and is rotatably arranged on the mounting frame, and the rear end of the mounting frame is hinged on the rack so that the mounting frame can swing up and down;
the swing driving device is arranged on the rack and used for controlling the mounting rack to swing;
the rotation driving device is arranged on the mounting frame and used for driving the drum screen to rotate relative to the mounting frame;
the water spraying device is arranged on the mounting frame and is provided with a support frame extending into the drum screen from the front end of the drum screen, and a plurality of high-pressure nozzles for spraying water downwards are arranged on the support frame;
the guide groove is fixedly arranged on the rear side of the rack and is positioned below the rear end of the drum screen;
the polysilicon edge skin and head and tail scrap recycling materials are controlled to rotate by the rotation driving device in the process, water flow which naturally drips in the barrel screen in the process is collected through the water collecting tank, the high-pressure water source is closed after cleaning, and the swing driving device controls the front end upper platform of the mounting frame so that the polysilicon edge skin and head and tail scrap recycling materials are guided into the guide groove and are guided out of the rack through the guide groove.
On the basis of the above scheme and as a preferable scheme of the scheme: and water flow collected in the water collecting tank is filtered and then is pumped to a high-pressure spray head through a high-pressure water pump to be used as a high-pressure water source.
On the basis of the above scheme and as a preferable scheme of the scheme: the water collecting tank is characterized in that a water guide plate inclining from the rear side to the front side is arranged on the upper side of the water collecting tank, a filtering part full of filtering holes is arranged in the front of the water guide plate, a first water blocking plate extending downwards from the rear of the filtering part is arranged on the lower side of the water guide plate, a second water blocking plate extending upwards from the bottom of the water collecting tank is arranged on the rear of the first water blocking plate, the side edges of the first water blocking plate and the second water blocking plate are both connected with the side wall of the water collecting tank in a sealing mode, a distance is reserved between the lower side of the first water blocking plate and the bottom of the water collecting tank, the upper side of the second water blocking plate is lower than the upper side of the first water blocking plate, and a water pumping guide pipe extending from the outer side wall of the water collecting tank to the inner bottom side of the water collecting tank is arranged on the rear of the second water blocking plate.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer side wall of the water collecting tank is provided with a water replenishing pipe extending into the water collecting tank.
On the basis of the above scheme and as a preferable scheme of the scheme: the mounting rack is of a rectangular frame structure, and the front part and the rear part of the mounting rack are respectively provided with a limiting groove formed by two annular limiting plates in a clamping manner;
the front end and the rear end of the drum screen are respectively provided with a support ring which continuously surrounds the drum screen, and the support rings are embedded in the limiting grooves;
and a plurality of supporting wheels which are rotatably connected to the limiting plate are arranged in the limiting groove, and the supporting wheels are distributed around the supporting ring and are supported on the outer side of the supporting ring.
On the basis of the above scheme and as a preferable scheme of the scheme: the upside of mounting bracket front end has first engaging lug, is provided with the second engaging lug in the position of lieing in the mounting bracket top in the frame, swing drive arrangement includes the reciprocal telescoping device of the articulated second engaging lug of the articulated first engaging lug other end of one end.
On the basis of the above scheme and as a preferable scheme of the scheme: the rotary driving device comprises a ring gear which is coaxially and fixedly connected to the outer side of the drum screen, and a driving gear which is controlled to rotate by a rotary motor and is in transmission engagement with the ring gear are arranged on the mounting rack.
On the basis of the above scheme and as a preferable scheme of the scheme: the rear end of the drum screen is provided with a tail part which tends to be folded towards the middle, and the front end of the drum screen is provided with a coaming plate with the inner diameter higher than that of the baffle plate;
the rear side of the mounting frame is provided with a door stop capable of swinging up and down, and the door stop is controlled to swing up and down by arranging a reciprocating expansion piece so as to be far away from or stop at an opening at the rear end of the drum screen.
On the basis of the above scheme and as a preferable scheme of the scheme: the support frame extends along the length direction of the drum screen, a plurality of fixed seats arranged along the length direction of the support frame are arranged at the lower side of the support frame, a connecting seat capable of swinging back and forth is hinged at the lower side of each fixed seat, a high-pressure spray head is fixedly arranged at the lower end of each connecting seat, a water inlet pipe with the length direction consistent with the length direction of the support frame is arranged on the support frame, the water inlet pipe is provided with a plurality of water outlets, a hose is arranged to connect the water outlet with the water inlet of the high-pressure nozzle, a slide rail with the length direction consistent with the length direction of the support frame is arranged on the support frame in a sliding way, a plurality of deflector rods which are in one-to-one correspondence and extend to one side of the connecting seat are arranged on the slide rail, a vertical slot hole is arranged on the supporting frame, a shifting shaft which extends vertically and is inserted into the slot hole is arranged on the shifting lever, a reciprocating motion driving device is arranged on the supporting frame to control the sliding rail to slide back and forth, the high-pressure spray head is controlled to swing back and forth by driving the shifting shaft to shift the connecting seat through sliding of the sliding rail.
On the basis of the above scheme and as a preferable scheme of the scheme: the frame both sides are provided with to the curb plate of following upward extension on the water catch bowl to the side sets up respectively around the frame and can follow the frame gliding switch door and curb plate and enclose to close in order to surround mounting bracket, bobbin screen, the side top is provided with the rolling wheel of being controlled by elevator motor and receive and release flexible rope with upper and lower switching of drive switch door around the frame, be provided with transparent glass observation window in the middle of the switch door.
The invention has the beneficial effects that:
the invention discloses a hydraulic clearing device for polysilicon flaw-piece and head and tail scrap returns, which is used for hydraulically clearing the surfaces of the flaw-piece and head and tail materials of ingot polysilicon to remove surface impurities and sticky dirt. The device can realize the recycle of circulating water, has the advantages of quickly and effectively removing flaw-piece, head and tail material impurities and sticky dirt, greatly improves the labor condition and protects the environment. In addition, the device is simple to operate, can realize full automation, can greatly reduce the labor intensity of operators, saves energy, improves the operating environment, improves the efficiency, and directly increases the economic benefit of enterprises.
The specific workflow and the working method for solving the problems will be described through specific embodiments.
Drawings
FIG. 1 is a schematic structural view of a hydraulic clearing device for polysilicon boundary skin and head and tail scrap returns of the present invention;
FIG. 2 is a partial structural schematic view of the hydraulic clearing device for polysilicon boundary skin and head and tail scrap returns of the invention after a water collecting tank is cut;
FIG. 3 is a schematic structural view of a mount section of the present invention;
FIG. 4 is a schematic structural view of a high pressure nozzle part of the present invention;
FIG. 5 is a partial schematic view of the support wheel portion of the present invention;
FIG. 6 is a schematic view of the structure of the slag-removing air-blowing nozzle of the present invention;
fig. 7 is a schematic view of a drum screen structure of the present invention.
In the figure:
a frame-1, a water collecting tank-2, a drum screen-3, a mounting rack-4, a support frame-5, a high-pressure spray head-6, a guide groove-7, a baffle-8, a water guide plate-9, a filter part-10, a first water-blocking plate-11, a second water-blocking plate-12, a water pumping guide pipe-13, a water replenishing pipe-14, a support ring-15, a support wheel-16, a first connecting lug-17, a second connecting lug-18, a reciprocating expansion device-19, a ring gear-20, a rotating motor-21, a driving gear-22, a tail part-23, a coaming-24, a reciprocating expansion device-25, a door stop-26, a connecting seat-27, a fixed seat-28, a water inlet pipe-29, a hose-30, a slide rail-31, a water pump, a water pump, a water pump, a water pump, a water pump, a water pump, a, A deflector rod-32, a long hole-33, a deflector shaft-34, a reciprocating motion driving device-35, a side plate enclosure-36, a lifting motor-37, a winding wheel-38, a flexible rope-39, a switch door-40, a glass observation window-41, a slag-removing blowing nozzle-42 and a limit plate-43.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, the device is used for hydraulically cleaning the surfaces of the flaw-piece and the head and tail materials of the ingot polycrystalline silicon to remove surface impurities and sticky dirt. The concrete structure and the working mode are as follows:
polycrystalline silicon flaw-piece, head and tail return charge water conservancy clearing device includes:
the device comprises a frame 1, a water collecting tank 2 and a water collecting tank, wherein the frame 1 is used for mounting and supporting;
the drum screen 3 is positioned right above the water collecting tank 2 and is rotatably arranged on the mounting frame 4, and the rear end of the mounting frame 4 is hinged on the rack 1 so that the mounting frame 4 can swing up and down;
the swing driving device is arranged on the rack 1 and used for controlling the mounting rack 4 to swing;
the rotation driving device is arranged on the mounting frame 4 and is used for driving the drum screen 3 to rotate relative to the mounting frame 4;
the water spraying device is arranged on the mounting frame 4 and is provided with a support frame 5 extending into the drum screen 3 from the front end of the drum screen 3, and a plurality of high-pressure spray heads 6 spraying water downwards are arranged on the support frame 5;
the guide groove 7 is fixedly arranged at the rear side of the frame 1 and is positioned below the rear end of the drum screen 3;
the front end and the rear end of the drum screen 3 are not closed, screen holes are arranged on the whole body, a plurality of baffle plates 8 with the length directions consistent with the length directions of the drum screen 3 are arranged on the inner side wall in a surrounding mode, polycrystalline silicon boundary skin and head and tail scrap returns are thrown into the drum screen 3, the swing of the mounting frame 4 is controlled through the swing driving device to enable the drum screen 3 to be horizontal, the high-pressure spray head 6 is connected into a high-pressure water source to wash the polycrystalline silicon boundary skin and the head and tail scrap returns at high pressure, the drum screen 3 is controlled to rotate through the rotation driving device in the process to overturn the polycrystalline silicon boundary skin and the head and tail scrap returns, the water flow which naturally drips in the drum screen 3 is collected through the water collecting tank 2 in the process, the high-pressure water source is closed after cleaning, and the swing driving device is used for controlling the front end upper platform of the mounting frame 4 to enable the polycrystalline silicon boundary skin and the head and tail scrap returns to be guided into the guide groove 7 and guided out of the rack 1 through the guide groove 7.
Meanwhile, water collected in the water collecting tank 2 is filtered and then is pumped to a high-pressure spray head 6 through a high-pressure water pump to be used as a high-pressure water source. Therefore, the recycling of the circulating water is realized, the flaw-piece, head and tail material impurities and sticky dirt are quickly and effectively removed, the labor condition is greatly improved, and the environment is protected. Meanwhile, the outer side wall of the water collecting tank 2 is provided with a water replenishing pipe 14 extending into the water collecting tank 2. A water level detection device is arranged in the water collecting tank, and the recycled collected water can be automatically supplemented through the water supplementing pipe 14 when the water is not enough to meet the use requirement.
The main design purpose of the device is to solve the problem of automation, realize the automation of cleaning and unloading, liberate labor force, avoid cleaning raised dust, keep workers away from severe working environment as far as possible, reduce the labor intensity and avoid the hidden danger of labor injury of the workers.
Then, the upper side of the water collecting tank 2 is provided with a water guide plate 9 inclined from the rear side to the front side, the front part of the water guide plate 9 is provided with a filtering part 10 full of filtering holes, the lower side of the water guide plate 9 is provided with a first water blocking plate 11 extending downwards from the rear of the filtering part 10, the rear part of the first water blocking plate 11 is provided with a second water blocking plate 12 extending upwards from the bottom of the water collecting tank 2, the side edges of the first water blocking plate 11 and the second water blocking plate 12 are both connected with the side wall of the water collecting tank 2 in a sealing manner, a distance is reserved between the lower side of the first water blocking plate 11 and the bottom of the water collecting tank 2, the upper side of the second water blocking plate 12 is lower than the upper side of the first water blocking plate 11, and a water pumping conduit 13 extending from the outer side wall of the water collecting tank 2 to the inner bottom side of the water collecting tank 2 is arranged behind the second water blocking plate 12.
The water collecting tank and the cleaning wastewater are separated by the water guide plate, so that the cleaning wastewater can be filtered and treated by the filtering part 10 to be recycled in the recycling process. Meanwhile, water entering the water pump is separated and settled through the first water-blocking plate 11 and the second water-blocking plate 12, and is filtered and clarified for the second time. Meanwhile, a protective filter screen can be arranged at the water inlet of the water pumping conduit 13 as shown in figure 2. Whether water is clarified does not greatly influence the cleaning effect, but can protect the water pump to the greatest extent, so that the service life of the water pump is prolonged.
In order to facilitate smooth rotation of the drum screen 3 and effective work, the mounting frame 4 is of a rectangular frame structure, and the front part and the rear part of the mounting frame 4 are respectively provided with a limiting groove formed by two annular limiting plates 43; the front end and the rear end of the drum screen 3 are respectively provided with a support ring 15 which continuously surrounds the drum screen 3, and the support rings 15 are embedded in the limiting grooves; meanwhile, a plurality of supporting wheels 16 which are rotatably connected to the limiting plate 43 are arranged in the limiting groove, and the supporting wheels 16 are distributed around the supporting ring 15 and are supported on the outer side of the supporting ring 15. Although the friction between the limiting plate 43 and the support ring 15 can be solved by machining and grease lubrication, there is an additional preferred solution, namely, several round-eye bearings (universal bearings) are arranged on the limiting plate 43 to support the end face of the support ring 15, but sometimes, in order to save costs, it is sufficient to directly arrange the friction directly according to fig. 5.
The mode of controlling the rotation of the drum screen can be seen in fig. 2, the rotation driving device comprises a ring gear 20 coaxially and fixedly connected to the outer side of the drum screen 3, a driving gear 22 controlled by a rotation motor 21 to rotate is arranged on the mounting frame 4 and is in transmission engagement with the ring gear 20, and the rotation motor 21 controls the rotating driving gear 22 to control the rotation of the drum screen 3.
Then, the upside of mounting bracket 4 front end has first engaging lug 17, is located the mounting bracket 4 top position on the frame 1 and is provided with second engaging lug 18, swing drive arrangement includes that one end articulates the reciprocal telescoping device 19 of first engaging lug 17 another end articulated second engaging lug 18, reciprocal telescoping device 19 flexible alright in order to control the mounting bracket and drive the trommel 3 and lift and put down.
Then, the rear end of the drum screen 3 is provided with a tail part 23 which is gathered towards the middle, and the front end is provided with a coaming plate 24 with the inner diameter higher than that of the baffle plate 8; the rear side of the mounting rack 4 is provided with a door stop 26 capable of swinging up and down, and the reciprocating expansion piece 25 is arranged to control the door stop 26 to swing up and down so that the door stop 26 is far away from or stopped at an opening at the rear end of the drum screen 3. The main purpose of the tail part 23 with the folding trend is to facilitate the butt joint of the rear end of the drum screen and the guide groove, meanwhile, in order to achieve better cleaning effect in the cleaning process, the tail part 23 may need to swing back and forth to turn over materials (polysilicon flaw-piece and head and tail scrap return) while the drum screen rolls, the coamings 24 and the door stops 26 are used for placing the materials to fall out in the cleaning process, and in order to save space and facilitate the design of material throwing, the front part of the drum screen is not provided with a door which is opened and closed as the door stops.
Meanwhile, the cleaning effect is ensured and improved, in addition to the rotation and the forward and backward swinging of the drum screen to turn over the material, the forward and backward swinging of the high-pressure spray nozzle 6 is synchronously increased, the structure and the working mode are as follows, specifically, the support frame 5 extends along the length direction of the drum screen 3, a plurality of fixed seats 28 arranged along the length direction of the support frame 5 are arranged at the lower side of the support frame 5, connecting seats 27 capable of swinging forward and backward are hinged at the lower sides of the fixed seats 28, the high-pressure spray nozzle 6 is fixedly arranged at the lower end of the connecting seats 27, a water inlet pipe 29 with the length direction consistent with the length direction of the support frame 5 is arranged on the support frame 5, a plurality of water outlets are arranged on the water inlet pipe 29, a hose 30 is arranged to connect the water outlets with a water inlet of the high-pressure spray nozzle 6, a slide rail 31 with the length direction consistent with the length direction of the support frame 5 is arranged on the support frame 5 in a sliding manner, and a plurality of shift levers 32 extending to one-to one side of the connection seat 27 are arranged on the slide rail 31, set up vertical slot hole 33 on support frame 5, set up perpendicular extension and insert the axle 34 of dialling in slot hole 33 on driving lever 32, and set up reciprocating motion drive arrangement 35 control slide rail 31 and make a round trip to slide on support frame 5, slide through slide rail 31 and control high pressure nozzle 6 fore-and-aft swing with the mode that the axle 34 of dialling was stirred connecting seat 27 in order to order about, high pressure nozzle 6 fore-and-aft swing is with control water pressure front-and-aft spray-sweeping washing, generally strengthen the cleaning performance like handheld rocking, compare with straight and straight motionless spray-washing, the effect of this mode is fairly obvious, compare with the fixed motionless mode when the function assessment test, its effect is visible with the naked eye, efficiency promotes obviously.
The turning and swinging of the drum screen are used for constantly changing the posture of the material in real time, so that no dead angle exists in the cleaning process, and the cleaning process is repeated. In order to conveniently observe the internal conditions of device operation, cleaning effect and the like in the working process, two sides of the rack 1 are provided with side plates extending upwards from the upper edge of the water collecting tank 2, the front side and the rear side of the rack 1 are respectively provided with a switch door 40 capable of sliding up and down along the rack 1 and a side plate enclosure 36 to enclose the mounting frame 4 and the drum screen 3, a winding wheel 38 controlled by a lifting motor 37 is arranged above the front side and the rear side of the rack 1 to wind and release a flexible rope 39 to drive the switch door 40 to open and close up and down, and a transparent glass observation window 41 is arranged in the middle of the switch door 40.
As shown in fig. 6, a slag removing blowing nozzle 42 can be further arranged on the mounting frame to clean the local part of the ring gear 20 close to the driving gear in real time through high-pressure blowing, so that no impurities exist when the ring gear is meshed with the driving gear as far as possible, and the operation reliability is improved.
The device is simple to operate, can realize full automation, can greatly reduce the labor intensity of operators, saves energy, improves the operating environment, improves the efficiency, and directly increases the economic benefit of enterprises.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. Polycrystalline silicon flaw-piece, head and the tail return charge water conservancy clearing device, its characterized in that includes:
the device comprises a rack (1) and a water collecting tank (2), wherein the rack (1) is used for mounting and supporting, and the bottom of the rack (1) is provided with the water collecting tank;
the drum screen (3) is positioned right above the water collecting tank (2) and is rotatably arranged on the mounting rack (4), and the rear end of the mounting rack (4) is hinged on the rack (1) so that the mounting rack (4) can swing up and down;
the swing driving device is arranged on the rack (1) and used for controlling the mounting rack (4) to swing;
the rotation driving device is arranged on the mounting rack (4) and is used for driving the drum screen (3) to rotate relative to the mounting rack (4);
the water spraying device is arranged on the mounting frame (4) and is provided with a support frame (5) extending into the drum screen (3) from the front end of the drum screen (3), and a plurality of high-pressure spray heads (6) spraying water downwards are arranged on the support frame (5);
the guide groove (7) is fixedly arranged on the rear side of the rack (1) and is positioned below the rear end of the drum screen (3);
the front end and the rear end of the drum screen (3) are not closed, screen holes are arranged on the whole body, a plurality of baffles (8) with the length direction consistent with the length direction of the drum screen (3) are arranged on the inner side wall in a surrounding way, polysilicon boundary skin and head and tail scrap returns are put into the drum screen (3), the swing driving device controls the mounting frame (4) to swing so as to enable the drum screen (3) to be horizontal, the high-pressure spray nozzle (6) is connected with a high-pressure water source to wash the polycrystalline silicon flaw-piece and head and tail scrap returns at high pressure, the drum screen (3) is controlled to rotate by the rotation driving device in the process so as to overturn the polycrystalline silicon flaw-piece and head and tail scrap returns, water flow naturally dropping in the drum screen (3) is collected by the water collecting tank (2) in the process, the high-pressure water source is closed after cleaning, the front end upper table of the mounting frame (4) is controlled by the swing driving device so that the polysilicon flaw-piece and the head and tail return materials are guided into the guide groove (7) and are guided out of the rack (1) through the guide groove (7).
2. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 1, which is characterized in that: and water flow collected in the water collecting tank (2) is filtered and then pumped to a high-pressure spray head (6) through a high-pressure water pump to be used as a high-pressure water source.
3. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 2, which is characterized in that: the upper side of the water collecting tank (2) is provided with a water guide plate (9) which inclines from the rear side to the front side, the front part of the water guide plate (9) is provided with a filtering part (10) which is full of filtering holes, the lower side of the water guide plate (9) is provided with a first water baffle plate (11) which extends downwards from the rear part of the filtering part (10), the rear part of the first water baffle plate (11) is provided with a second water baffle plate (12) which extends upwards from the bottom of the water collecting tank (2), the side edges of the first water-blocking plate (11) and the second water-blocking plate (12) are hermetically connected with the side wall of the water collecting tank (2), and a distance is arranged between the lower side of the first water-blocking plate (11) and the bottom of the water collecting tank (2), the upper side of the second water-blocking plate (12) is lower than the upper side of the first water-blocking plate (11), and a water pumping conduit (13) extending from the outer side wall of the water collecting tank (2) to the inner bottom side of the water collecting tank (2) is arranged behind the second water-blocking plate (12).
4. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 2, which is characterized in that: the outer side wall of the water collecting tank (2) is provided with a water replenishing pipe (14) extending into the water collecting tank (2).
5. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 1, which is characterized in that: the mounting rack (4) is of a rectangular frame structure, and the front part and the rear part of the mounting rack (4) are respectively provided with a limiting groove formed by clamping two annular limiting plates (43);
the front end and the rear end of the drum screen (3) are respectively provided with a support ring (15) which continuously surrounds the drum screen (3), and the support rings (15) are embedded in the limiting grooves;
a plurality of supporting wheels (16) which are rotatably connected to the limiting plate (43) are arranged in the limiting groove, and the supporting wheels (16) are distributed around the supporting ring (15) and are supported on the outer side of the supporting ring (15).
6. The hydraulic removing device for the polysilicon flaw-piece and head-tail return scrap according to claim 1 or 5, which is characterized in that: the upside of mounting bracket (4) front end has first engaging lug (17), is located mounting bracket (4) top position on frame (1) and is provided with second engaging lug (18), swing drive arrangement includes that one end articulates reciprocal telescoping device (19) of first engaging lug (17) other end articulated second engaging lug (18).
7. The hydraulic removing device for the polysilicon flaw-piece and head-tail return scrap according to claim 1 or 5, which is characterized in that: the rotary driving device comprises a ring gear (20) coaxially and fixedly connected to the outer side of the drum screen (3), and a driving gear (22) controlled by a rotary motor (21) to rotate is arranged on the mounting frame (4) and is in transmission engagement with the ring gear (20).
8. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 1, which is characterized in that: the rear end of the drum screen (3) is provided with a tail part (23) which tends to be folded towards the middle, and the front end is provided with a coaming plate (24) with the inner diameter higher than that of the baffle plate (8);
the rear side of the mounting rack (4) is provided with a door stopper (26) capable of swinging up and down, and the door stopper (26) is controlled to swing up and down by arranging a reciprocating expansion piece (25) so that the door stopper (26) is far away from or is blocked at an opening at the rear end of the drum screen (3).
9. The hydraulic removing device for the polysilicon flaw-piece and head and tail scrap returns of claim 1, which is characterized in that: the support frame (5) extends along the length direction of the drum screen (3), a plurality of fixing seats (28) arranged along the length direction of the support frame (5) are arranged on the lower side of the support frame (5), a connecting seat (27) capable of swinging back and forth is hinged on the lower side of the fixing seats (28), a high-pressure spray head (6) is fixedly installed at the lower end of the connecting seat (27), a water inlet pipe (29) with the length direction consistent with the length direction of the support frame (5) is arranged on the support frame (5), the water inlet pipe (29) is provided with a plurality of water outlets, a hose (30) is arranged to connect the water outlets with the water inlet of the high-pressure spray head (6), a sliding rail (31) with the length direction consistent with the length direction of the support frame (5) is arranged on the support frame (5) in a sliding manner, shift levers (32) extending to one side of the connecting seat (27) in a one-to-one correspondence with a plurality of are arranged on the sliding rail (31), vertical long holes (33) are arranged on the support frame (5), a shifting shaft (34) which vertically extends and is inserted into the long hole (33) is arranged on the shifting lever (32), a reciprocating motion driving device (35) is arranged on the support frame (5) to control the sliding rail (31) to slide back and forth, and the high-pressure spray head (6) is controlled to swing back and forth by driving the shifting shaft (34) to shift the connecting seat (27) through the sliding of the sliding rail (31).
10. The hydraulic removing device for the polysilicon flaw-piece and head-tail scrap returns according to claim 1, which is characterized in that: frame (1) both sides are provided with to follow the curb plate that upwards extends on water catch bowl (2) to side sets up respectively around frame (1) and can follow frame (1) gliding switch door (40) from top to bottom and curb plate enclose (36) and close in order to surround mounting bracket (4), tube screen (3), the side top is provided with winding wheel (38) receive and release flexible rope (39) by elevator motor (37) control and open and close from top to bottom in order to drive switch door (40) around frame (1), be provided with transparent glass observation window (41) in the middle of switch door (40).
CN202210371274.6A 2022-04-11 2022-04-11 Hydraulic cleaning device for polycrystalline silicon edge skin, head and tail furnace returns Active CN114887959B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
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CN212190272U (en) * 2020-03-30 2020-12-22 苏州澳京光伏科技有限公司 Polycrystalline silicon wafer surface leaching device
CN113798239A (en) * 2020-12-25 2021-12-17 宁夏兰湖新型材料科技有限公司 Silica washing, screening, separating and distributing system
CN215236265U (en) * 2021-06-15 2021-12-21 广东五岭硅灰石有限公司 Cleaning device for wollastonite

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JPH1128433A (en) * 1997-07-10 1999-02-02 Taiyo Clean Koushiya:Kk Washing device
US6250318B1 (en) * 1998-10-02 2001-06-26 Ultra Clean Technology Asia Pte. Ltd. Method and apparatus for washing and drying semi-conductor devices
ES2390727A1 (en) * 2010-07-15 2012-11-15 Juan Alberto GARRIDO AIXA Roller cleaner (Machine-translation by Google Translate, not legally binding)
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Publication number Priority date Publication date Assignee Title
CN115518936A (en) * 2022-10-26 2022-12-27 浙江矽盛电子有限公司 Acid pickling equipment for solar-grade polycrystalline silicon material
CN115518936B (en) * 2022-10-26 2023-11-17 浙江矽盛电子有限公司 Pickling equipment of solar grade polycrystalline silicon material

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